JPH0115597Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a vibration test device for a ship conveyor.

For example, ships that sail for long periods of time need to be supplied with food and the like at sea, and supply ships are prepared for this purpose. As shown in Figure 1, the auxiliary ship 1 loads the required number of cargo (supplies) from the quay 2 side onto the upper deck 3, and then sails with the cargo loaded into the storage room 4 and sails out to sea. The cargo is then taken out from the storage room 4 and delivered to the supplied ship 5 via a high line 6 or the like. By the way, the transfer of cargo between the upper deck 3 and the storage room 4 is performed by a large number of conveyors arranged in the bow and aft direction and in the width direction of the ship. However, pitching and rolling occur in the supply ship 1, and under such circumstances, if a simple conveyor is used, the cargo cannot be transported smoothly and reliably.

Conventionally, as seen in Japanese Unexamined Patent Publication No. 56-132541, there has been provided a vehicle running track simulator that supports a vibrated body such as a railway vehicle and performs tests by applying vibrations to the vibrated body. Furthermore, it is disclosed that the vibration direction is biaxial or triaxial.

However, according to this conventional type, the entire device is large and expensive, and furthermore, the vibrated body must be positioned considerably above, which poses a safety problem.

SUMMARY OF THE INVENTION An object of the present invention is to provide a vibration testing device for a ship conveyor that can be made compact as a whole and can safely and accurately test vibrations in all directions of a ship.

In order to achieve the above object, the ship conveyor oscillation test device according to the present invention has a first swinging frame of a shape fitted inside a fixed machine frame of a shape, and a structure in which the fixed machine frame and the first swinging frame are connected to each other. The first swing frame is configured to be swingable around the left and right axis with respect to the fixed machine frame by connecting the adjacent upper ends of the fixed machine frame with a left and right axis, and the first swing frame is provided with a first swing frame. A first rocking force imparting device for rocking the movable frame is provided, and a second rocking frame that is swingable around the longitudinal axis via the longitudinal axis is provided within the first swinging frame; A second swinging force imparting device is provided to swing the second swinging frame, and a second swinging force applying device is provided to swing the second swinging frame.
A conveyor is installed on the swing frame.

According to the configuration of the present invention, by swinging the first swing frame, the conveyor is brought into a pitting state, and by swinging the second swing frame, the conveyor is brought into a rolling state. Furthermore, by oscillating both oscillating frames, the conveyor is placed under conditions of combined oscillation, and it is possible to experiment to see how the conveyor conveys under each condition, and based on that data, the conveyor We will be able to carry out design and construction. And the fixed machine frame and the first
A configuration in which the structure is fitted in the form of a swing frame, and a first
By arranging the second swing frame within the swing frame, the overall volume can be reduced and the structure can be made compact.

Hereinafter, one embodiment of the present invention will be described based on FIGS. 2 to 4. Reference numeral 10 denotes a fixed machine frame installed on a floor 11, which is formed into a shape when viewed from the front by a base frame 12 and a pair of side frames 13 erected from both left and right ends of the base frame 12. Reference numeral 14 denotes a first swing frame, which is formed in a shape when viewed from the front by a bottom plate 15 and a pair of side plates 16 erected from both left and right ends of the bottom plate 15, and is arranged so as to be fitted into the fixed machine frame 10. .
This first swing frame 14 has a left-right shaft 17 fixed to the upper ends of both side plates 16 and a bearing 1 attached to the upper end of both side frames 13.
By rotatably supporting it via 8, it becomes possible to swing around the left-right axis 19. Reference numeral 20 denotes a first swinging force imparting device for swinging the first swinging frame 14, which includes a motor 21 attached to one side frame 13.
From the eccentric position of a rotating shaft 23 which is interlocked with this motor 21 via a winding transmission mechanism 22 and rotatably supported by one side frame 13, and a passive gear 24 attached to this rotating shaft 23, It consists of an eccentric pin 25 that protrudes laterally, and a swinging lever 27 that fits onto the eccentric pin 25 through a long hole 26. It is stuck to. 28 is a second swing frame provided within the first swing frame 14, and a bracket 29 is attached to the bottom surface of the second swing frame 28.
is fixed to a longitudinal shaft 30 supported on the first swing frame 14 side. That is, the first swing frame 1
A pair of front and rear bearings 31 are installed on the top surface of 4.
A longitudinal shaft 30 is rotatably supported between these bearings 31 . Therefore, the second swing frame 28 is
It becomes possible to swing around the longitudinal axis 32 with respect to the first swing frame 14 . Reference numeral 33 denotes a second swinging force applying device for swinging the second swinging frame 28, which is interlocked with a motor 34 mounted on the bottom plate 15 of the first swinging frame 14 and a transmission mechanism 35 that is wound around the motor 34. It consists of a reducer 36, a rotary plate 38 interlocked with the reducer 36 via a winding transmission mechanism 37, and a link 40 attached to an eccentric position of the rotary plate 38 via a longitudinal pin 39, The free end of the link 40 and the lower end of the bracket 29 are connected via a pin 41 so as to be relatively swingable. On the second swing frame 28, a roller conveyor 42 in the left-right direction, a belt conveyor 43 in the front-back direction, and both conveyors 42, 43 are provided.
An intermediate delivery conveyor 44 is provided, and these conveyors 42, 43, 44 are driven. 45 indicates the load.

When the first rocking force imparting device 20 is operated, the rotational force of the motor 21 is transmitted to the rotating shaft 23, causing the eccentric pin 25 to rotate around the rotating shaft. Then, the swing lever 27 swings up and down via the elongated hole 26,
The left-right axis 17 is rotated forward and backward by a certain amount. This forward and reverse rotation is transmitted to the first swing frame 14, causing the first swing frame 14 to swing around the left-right axis 19. Therefore, the second swing frame 28 is attached to the first swing frame 14.
Each conveyor 42, 43, 44 arranged via
is the horizontal axis 1 as shown by the imaginary line A in Figure 2.
Perform back and forth rocking (pitching) around 9. Second
When the rocking force applying device 33 is activated, the motor 3
4 is transmitted to the reducer 36, and low-speed rotation from the reducer 36 is transmitted to the rotary plate 38.
Then, the longitudinal pin 39 rotates around the rotational axis of the rotary plate 38, thereby pushing and pulling the link 40. This pushing and pulling movement causes the bracket 2 to
9 around the longitudinal axis 32, and the conveyors 42, 43, 44 are moved through the second swing frame 28 attached to the bracket 29 as shown by imaginary lines B and C in FIG. It is caused to swing left and right (roll) around the longitudinal axis 32. Although the fore-aft rocking motion and the left-right rocking motion have been described separately above, a combined rocking motion is also possible by operating both the rocking force imparting devices 20 and 33 at the same time.

According to the present invention having the above structure, the conveyor can be placed under pitching conditions by swinging the first swing frame, and the conveyor can be placed under rolling conditions by swinging the second swing frame. Furthermore, by swinging both swing frames, the conveyor can be placed under a combined swing condition. Therefore, it is possible to experiment with how the conveyor transports under various conditions, and to design and construct the conveyor based on the data.
The structure in which the fixed machine frame and the first swinging frame fit together, and the structure in which the second swinging frame is disposed within the first swinging frame, make the whole structure low and compact. Moreover, since the conveyor can be placed below, the test can be carried out safely.

[Brief explanation of drawings]

Figure 1 is a schematic front view showing the supply status, Figures 2~
4 shows an embodiment of the present invention, FIG. 2 is a side view, FIG. 3 is a front view, and FIG. 4 is a plan view. 10... Fixed machine frame, 14... First swing frame, 17
...Left-right axis, 19...Left-right axis, 20...
...First swinging force imparting device, 28...Second swinging frame, 3
0...Anteroposterior axis, 32...Anteroposterior axis, 33
...Second rocking force applying device, 42...Roller conveyor, 43...Belt conveyor, 44...Delivery conveyor.

Claims (1)

[Scope of utility model registration request] The first swinging frame of the shape is fitted into the fixed frame of the shape, and the adjacent upper ends of the fixed machine frame and the first swinging frame are connected by a left-right axis to form the first swinging frame. is configured to be swingable around an axis in the left-right direction with respect to the fixed machine frame, and the first swinging frame is provided with a first swinging force imparting device for swinging the first swinging frame,
A second swing frame is provided within the swing frame, which is swingable around the front-back axis via the front-back axis;
A vibration test device for a conveyor for a ship, characterized in that a second rocking force imparting device for rocking the second rocking frame is provided, and a conveyor is disposed on the second rocking frame.